Ungraded vs PSA 10 John Grubb #32 1974 Topps Baseball: price difference
John Grubb #32 1974 Topps Baseball value — Ungraded $4 vs PSA 10 $351. PSA 10 sells for 87.75× Ungraded (+8675%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
PSA 10 sells for 87.75× (+8675%) the Ungraded price — a $347 difference per card.
PSA 10 sells for 11.32× (+1032%) the Grade 9 price — a $320 difference per card.
Should you get this card graded?
Grading runs about $30 per card all-in. On John Grubb #32 1974 Topps Baseball, the jump from Ungraded to PSA 10 is worth $347 (87.75×) — if your copy grades at the top, that premium can cover the fee. A grade below the top one changes the math, so run your exact numbers first.
Run the grading break-even math →Values are estimates from real sales data — not appraisals or offers. Some links earn JunkPal a commission at no cost to you (disclosure).